Tools, accessories and protection for welding applications. The Metal Inert Gas (MIG) or Metal Active Gas (MAG) welding is a semi-automated process, widely used in many sectors of industry, such as shipbuilding,Oerlikon, Demand the Welding Expertise Welding solutions specifically tailored for the high productivity requirements and stringent specifications of the Specialists in resistance welding, the Group ARO Welding Technologies is known worldwide for the supply of robotic welding systems, manual welding guns, Oerlikon has a reliable history of continuously supplying welding equipment for the most demanding and critical applications for many different market segments.